class_docstr: This plan is used for storing information required for insert
  operations.
  
  Args:
      table (TableCatalogEntry): table to insert into
      column_list (List[AbstractExpression]): list of annotated column
      value_list (List[AbstractExpression]): list of abstract expression
                                              for the values to insert
code: def __str__(self):
      return "InsertPlan(table={}, \
              column_list={}, \
              value_list={})".format(
          self.table_ref, self.column_list, self.value_list
      )
  
file_path: evadb/evadb/plan_nodes/insert_plan.py
imports: from typing import List
  from evadb.catalog.models.table_catalog import TableCatalogEntry
  from evadb.expression.abstract_expression import AbstractExpression
  from evadb.plan_nodes.abstract_plan import AbstractPlan
  from evadb.plan_nodes.types import PlanOprType
label_desc: Use image node_id 2 for calling the InsertPlan obj's underlying member method code with example usage: obj.__str__() and returns: str